Home / 1,278,223.54-1,764,587.63-794,944.40

Finding the Fourth Proportional to 1,278,223.54, 1,764,587.63 and 794,944.40

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Solution

The fourth proportional to 1,278,223.54, 1,764,587.63 and 794,944.40 is: 1,097,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,223.54 : 1,764,587.63 = 794,944.40 : x
  2. Step 2: Convert to fraction form
    1,278,223.54/1,764,587.63 = 794,944.40/x
  3. Step 3: Cross multiply
    1,278,223.54x = 1,764,587.63 × 794,944.40
  4. Step 4: Simplify right side
    1,278,223.54x = 1,402,749,047,942.19
  5. Step 5: Solve for x
    x = 1,402,749,047,942.19/1,278,223.54
  6. Step 6: Final answer
    x = 1,097,420.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.